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Finding the Fourth Proportional to 587,916.96, 810,124.56 and 556,158.24

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Solution

The fourth proportional to 587,916.96, 810,124.56 and 556,158.24 is: 766,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,916.96 : 810,124.56 = 556,158.24 : x
  2. Step 2: Convert to fraction form
    587,916.96/810,124.56 = 556,158.24/x
  3. Step 3: Cross multiply
    587,916.96x = 810,124.56 × 556,158.24
  4. Step 4: Simplify right side
    587,916.96x = 450,557,449,470.37
  5. Step 5: Solve for x
    x = 450,557,449,470.37/587,916.96
  6. Step 6: Final answer
    x = 766,362.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.